/*
* CI1PopVarDialog.java
*
* Created on May 22, 2008, 4:27 PM
*/
package org.statcato.dialogs.stat.ci;
import org.statcato.*;
import org.statcato.spreadsheet.*;
import org.statcato.statistics.inferential.*;
import org.statcato.utils.HelperFunctions;
import java.util.*;
import javax.swing.*;
import org.statcato.statistics.BasicStatistics;
/**
* A dialog for creating confidence intervals for one population variance,
* given the confidence level.
* Allows the user to specify the data values in a column or provide
* summary data.
*
* @author Margaret Yau
* @version %I%, %G%
* @see org.statcato.statistics.inferential.CIOnePopVar
* @since 1.0
*/
public class CI1PopVarDialog extends StatcatoDialog {
/** Creates new form CI1PopVarDialog */
public CI1PopVarDialog(java.awt.Frame parent, boolean modal,
Statcato mTab) {
super(parent, modal);
initComponents();
app = mTab;
ParentSpreadsheet = app.getSpreadsheet();
ButtonGroup group1 = new ButtonGroup();
group1.add(SampleRadioButton);
group1.add(SummaryRadioButton);
ButtonGroup group2 = new ButtonGroup();
group2.add(VarRadioButton);
group2.add(StdevRadioButton);
ParentSpreadsheet.populateComboBox(ColumnComboBox);
getRootPane().setDefaultButton(OKButton);
setHelpFile("stat-ci-1var");
name = "Confidence Interval: One Population Variance";
description = "For computing the confidence intervals for a " +
"population variance in one population.";
helpStrings.add("To provde sample data in a column, " +
"select the Samples in column: radio button, " +
"and select the column name in the given drop-down menu.");
helpStrings.add("If individual sample data is not available, " +
"select the Summarized sample data radio button. " +
"Enter sample size and either sample variance or " +
"sample standard deviation in the provided text boxes.");
helpStrings.add("Enter the confidence level (between 0 and 1) in the " +
"Confidence level: text box.");
}
/**
* Updates elements on the dialog so that they have the most
* current values. Called by {@link #setVisible} to make
* sure the dialog displays current values when made visible again.
*
* @see #setVisible(boolean)
*/
@Override
public void updateElements() {
updateComboBox(ColumnComboBox);
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
*/
// //GEN-BEGIN:initComponents
private void initComponents() {
OKButton = new javax.swing.JButton();
CancelButton = new javax.swing.JButton();
jLabel2 = new javax.swing.JLabel();
jPanel1 = new javax.swing.JPanel();
ColumnComboBox = new javax.swing.JComboBox();
SummaryRadioButton = new javax.swing.JRadioButton();
SampleRadioButton = new javax.swing.JRadioButton();
SampleStdevTextField = new javax.swing.JTextField();
SampleSizeTextField = new javax.swing.JTextField();
SampleSizeLabel = new javax.swing.JLabel();
StdevRadioButton = new javax.swing.JRadioButton();
SampleVarTextField = new javax.swing.JTextField();
VarRadioButton = new javax.swing.JRadioButton();
jPanel2 = new javax.swing.JPanel();
jLabel1 = new javax.swing.JLabel();
jLabel6 = new javax.swing.JLabel();
ConfidenceTextField = new javax.swing.JTextField();
setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
setTitle("1-Population Variance");
OKButton.setText("OK");
OKButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
OKButtonActionPerformed(evt);
}
});
CancelButton.setText("Cancel");
CancelButton.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
CancelButtonActionPerformed(evt);
}
});
jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Inputs"));
SummaryRadioButton.setText("Summarized sample data:");
SummaryRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
SummaryRadioButtonStateChanged(evt);
}
});
SampleRadioButton.setSelected(true);
SampleRadioButton.setText("Samples in column:");
SampleRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
SampleRadioButtonStateChanged(evt);
}
});
SampleStdevTextField.setEnabled(false);
SampleSizeTextField.setEnabled(false);
SampleSizeLabel.setText("Sample Size:");
SampleSizeLabel.setEnabled(false);
StdevRadioButton.setText("Standard deviation:");
StdevRadioButton.setEnabled(false);
StdevRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
StdevRadioButtonStateChanged(evt);
}
});
SampleVarTextField.setEnabled(false);
VarRadioButton.setSelected(true);
VarRadioButton.setText("Variance:");
VarRadioButton.setEnabled(false);
VarRadioButton.addChangeListener(new javax.swing.event.ChangeListener() {
public void stateChanged(javax.swing.event.ChangeEvent evt) {
VarRadioButtonStateChanged(evt);
}
});
javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout.setHorizontalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addGap(26, 26, 26)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(SampleSizeLabel)
.addComponent(VarRadioButton)
.addComponent(StdevRadioButton))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(SampleSizeTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 75, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(SampleVarTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 79, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(SampleStdevTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 85, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addComponent(SampleRadioButton)
.addComponent(SummaryRadioButton)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
.addComponent(ColumnComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, 120, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(96, 96, 96)))
.addContainerGap(51, Short.MAX_VALUE))
);
jPanel1Layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {SampleSizeTextField, SampleStdevTextField, SampleVarTextField});
jPanel1Layout.setVerticalGroup(
jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel1Layout.createSequentialGroup()
.addContainerGap()
.addComponent(SampleRadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(ColumnComboBox, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(10, 10, 10)
.addComponent(SummaryRadioButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(SampleSizeLabel)
.addComponent(SampleSizeTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
.addGap(14, 14, 14)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
.addComponent(SampleVarTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(VarRadioButton))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(SampleStdevTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(StdevRadioButton))
.addContainerGap(19, Short.MAX_VALUE))
);
jPanel2.setBorder(javax.swing.BorderFactory.createTitledBorder("Confidence"));
jLabel1.setText("0 - 1.00 (e.g. 0.95)");
jLabel6.setText("Confidence level:");
ConfidenceTextField.setText("0.95");
javax.swing.GroupLayout jPanel2Layout = new javax.swing.GroupLayout(jPanel2);
jPanel2.setLayout(jPanel2Layout);
jPanel2Layout.setHorizontalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addComponent(jLabel6)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(ConfidenceTextField, javax.swing.GroupLayout.PREFERRED_SIZE, 81, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel1)
.addContainerGap(15, Short.MAX_VALUE))
);
jPanel2Layout.setVerticalGroup(
jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(jPanel2Layout.createSequentialGroup()
.addContainerGap()
.addGroup(jPanel2Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(ConfidenceTextField, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addComponent(jLabel6)
.addComponent(jLabel1))
.addContainerGap())
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(jPanel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGap(44, 44, 44)
.addComponent(jLabel2))
.addGroup(layout.createSequentialGroup()
.addGap(90, 90, 90)
.addComponent(OKButton)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(CancelButton)))
.addContainerGap())
);
layout.linkSize(javax.swing.SwingConstants.HORIZONTAL, new java.awt.Component[] {CancelButton, OKButton});
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGap(201, 201, 201)
.addComponent(jLabel2))
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jPanel2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(18, 18, 18)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(OKButton)
.addComponent(CancelButton))
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
pack();
}// //GEN-END:initComponents
private void SummaryRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_SummaryRadioButtonStateChanged
if (SummaryRadioButton.isSelected()) {
SampleSizeLabel.setEnabled(true);
SampleSizeTextField.setEnabled(true);
StdevRadioButton.setEnabled(true);
VarRadioButton.setEnabled(true);
if (StdevRadioButton.isSelected()) {
SampleStdevTextField.setEnabled(true);
}
else {
SampleVarTextField.setEnabled(true);
}
} else {
SampleSizeLabel.setEnabled(false);
SampleSizeTextField.setEnabled(false);
SampleStdevTextField.setEnabled(false);
SampleVarTextField.setEnabled(false);
VarRadioButton.setEnabled(false);
StdevRadioButton.setEnabled(false);
}
}//GEN-LAST:event_SummaryRadioButtonStateChanged
private void SampleRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_SampleRadioButtonStateChanged
if (SampleRadioButton.isSelected()) {
ColumnComboBox.setEnabled(true);
} else {
ColumnComboBox.setEnabled(false);
}
}//GEN-LAST:event_SampleRadioButtonStateChanged
private void OKButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_OKButtonActionPerformed
app.compoundEdit = new DialogEdit("CI 1 variance");
int n = 0;
double s = 0, s2 = 0, confidenceLevel;
Vector ColumnVector = new Vector();
String heading = "Confidence Interval - One population variance:";
String text = "";
// get confidence level from dialog
try {
confidenceLevel = Double.parseDouble(ConfidenceTextField.getText());
} catch (NumberFormatException e) {
app.showErrorDialog("Enter a number between 0 and 1 for the confidence level.");
return;
}
if (confidenceLevel <= 0 || confidenceLevel >= 1) {
app.showErrorDialog("Enter a number between 0 and 1 for the confidence level.");
return;
}
heading += " confidence level = " + confidenceLevel;
// get input
if (SampleRadioButton.isSelected()) {
// get data for selected input column
String columnLabel = ColumnComboBox.getSelectedItem().toString();
if (columnLabel.equals("")) { // no input variable
app.showErrorDialog("Select the input column.");
return;
}
int column = ParentSpreadsheet.parseColumnNumber(columnLabel);
Vector StrColumnVector = ParentSpreadsheet.getColumn(column);
ColumnVector = HelperFunctions.ConvertInputVectorToDoubles(StrColumnVector);
if (ColumnVector == null) {
app.showErrorDialog("Invalid input column " + columnLabel +
": all data must be numbers.");
return;
}
text += "Input: " + columnLabel + "
";
n = BasicStatistics.Nnonmissing(ColumnVector);
s2 = BasicStatistics.variance(ColumnVector).doubleValue();
s = BasicStatistics.stdev(ColumnVector).doubleValue();
} else {
// get summary data
try {
n = Integer.parseInt(SampleSizeTextField.getText());
if (VarRadioButton.isSelected()) {
s2 = Double.parseDouble(SampleVarTextField.getText());
s = Math.sqrt(s2);
}
else {
s = Double.parseDouble(SampleStdevTextField.getText());
s2 = s * s;
}
} catch (NumberFormatException e) {
app.showErrorDialog("Invalid summary data.");
return;
}
text += "Input: Summary data" + "
";
}
CIOnePopVar CI = new CIOnePopVar(confidenceLevel, n, s2);
text += "
";
text += "N Variance Stdev ";
text += HelperFunctions.formatFloat(confidenceLevel * 100, 2) +
"%CI Variance " +
HelperFunctions.formatFloat(confidenceLevel * 100, 2) +
"%CI Stdev " + n + " " +
HelperFunctions.formatFloat(s2, 3) + " " +
HelperFunctions.formatFloat(s, 3) + " " +
CI.toString() + " " +
CI.stdevCI() + " ";
app.addLogParagraph(heading, text);
app.compoundEdit.end();
app.addCompoundEdit(app.compoundEdit);
setVisible(false);
}//GEN-LAST:event_OKButtonActionPerformed
private void CancelButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_CancelButtonActionPerformed
setVisible(false);
}//GEN-LAST:event_CancelButtonActionPerformed
private void VarRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_VarRadioButtonStateChanged
if (VarRadioButton.isSelected()) {
SampleVarTextField.setEnabled(true);
SampleStdevTextField.setEnabled(false);
}
else {
SampleVarTextField.setEnabled(false);
SampleStdevTextField.setEnabled(true);
}
}//GEN-LAST:event_VarRadioButtonStateChanged
private void StdevRadioButtonStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_StdevRadioButtonStateChanged
if (StdevRadioButton.isSelected()) {
SampleVarTextField.setEnabled(false);
SampleStdevTextField.setEnabled(true);
}
else {
SampleVarTextField.setEnabled(true);
SampleStdevTextField.setEnabled(false);
}
}//GEN-LAST:event_StdevRadioButtonStateChanged
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JButton CancelButton;
private javax.swing.JComboBox ColumnComboBox;
private javax.swing.JTextField ConfidenceTextField;
private javax.swing.JButton OKButton;
private javax.swing.JRadioButton SampleRadioButton;
private javax.swing.JLabel SampleSizeLabel;
private javax.swing.JTextField SampleSizeTextField;
private javax.swing.JTextField SampleStdevTextField;
private javax.swing.JTextField SampleVarTextField;
private javax.swing.JRadioButton StdevRadioButton;
private javax.swing.JRadioButton SummaryRadioButton;
private javax.swing.JRadioButton VarRadioButton;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel6;
private javax.swing.JPanel jPanel1;
private javax.swing.JPanel jPanel2;
// End of variables declaration//GEN-END:variables
}
|
Ads help maintain this website.